Most of the joints in the body are
cartilaginous joints.
fibrous joints.
synovial
synarthroses.
The Correct Answer is C
Rationale:
A. Cartilaginous joints are connected entirely by cartilage (such as the pubic symphysis or intervertebral discs). They allow limited movement but do not make up the majority of joints in the body.
B. Fibrous joints are connected by dense connective tissue and are mostly immovable (such as sutures in the skull). They are important for stability but are relatively few compared to synovial joints.
C. Synovial joints are the most numerous type in the body and allow the greatest range of motion. Examples include the shoulder, hip, knee, and elbow. They are characterized by the presence of a joint cavity filled with synovial fluid, articular cartilage, a synovial membrane, and supporting ligaments. Their structure allows movements such as gliding, rotation, flexion, extension, abduction, and adduction.
D. Synarthroses refers to immovable joints (such as sutures), which are a subset of fibrous joints. They provide stability but are not the majority type of joint in the body.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"C"}
Explanation
Rationale:
A. C2 refers to the axis, the second cervical vertebra, which allows rotation of the head.
B. T1 is the first thoracic vertebra, located in the upper back, not the cervical region.
C. The atlas is the first cervical vertebra and supports the skull, allowing nodding movements of the head (as in “yes”). It articulates with the occipital condyles of the skull and works in conjunction with the axis (C2) to facilitate head rotation.
D. L5 refers to the fifth lumbar vertebra, located in the lower back, not the cervical region.
Correct Answer is C
Explanation
Rationale:
A. Movement of a limb toward the midline of the body. It does not involve extending a joint beyond its normal position.
B. Movement of a limb away from the midline of the body. Like adduction, it does not describe joint extension.
C. Hyperextension refers to extending a joint beyond its normal anatomical position, such as bending the head backward too far or forcefully extending the knee past its straight alignment. While some hyperextension can be part of normal flexibility, excessive or forceful hyperextension can cause injury to ligaments and joint structures.
D. Refers to rotation of the forearm so that the palm faces downward or backward. It is a rotational movement, not an extension movement.
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